Referenced Domain IPv4/IPv6 Web Statistics

Background and Methodology	IPv6 & DNSSEC SnapShots
USG IPv6 & DNSSEC Statistics	USG IPv4 Statistics
Industry IPv6 & DNSSEC Statistics	Industry IPv4 Statistics
University IPv6 & DNSSEC Statistics	University IPv4 Statistics
CFO Act Agency Summary Statistics	USG IPv6 Enabled WWW Sites

- Referenced Domain Web Statistics for 2025.11.14 -

gov.sustainability. | Environmental Protection Agency	v4[s]	v4[B]	v4[Mbps]	v6[s]	v6[B]	v6[Mbps]	6/4[Mbps]	v4|v6
com.constantcontact.r20.visitor  (https)	0.196653	1137	0.04	0.013865	0	0	n/a	graph
com.googleapis.fonts  (https)	0.035927	1621	0.35	0.050455	1621	0.25	70%	graph
gov.energy.www  (https)	0.052418	124386	18.25	0.059632	124386	16.08	88%	graph
• gov.sustainability.www  (https)	0.046187	10317	1.71	0.004107	0	0	n/a	graph
gov.whitehouse.www  (https)	0.033282	169207	39.12	0.036661	169207	35.86	92%	graph
IPv6 operational: 0% of linked subdomains (0/1), 60% of all linked domains (3/5)	v4[s]	v4[B]	v4[Mbps]	v6[s]	v6[B]	v6[Mbps]	6/4[Mbps]	v4|v6

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